be too modest and circumspect; they should be strictly just and
impartial, short and seasonable: your evidence otherwise will not
be considered as legal, and you will incur the same censure as
Theopompus {67} did, who finds fault with everybody from enmity and
ill-nature; and dwells so perpetually on this, that he seems rather
to be an accuser than an historian.

If anything occurs that is very extraordinary or incredible, you may
mention without vouching for the truth of it, leaving everybody to
judge for themselves concerning it: by taking no part yourself, you
will remain safe.

Remember, above all, and throughout your work, again and again, I
must repeat it, that you write not with a view to the present times
only, that the age you live in may applaud and esteem you, but with
an eye fixed on posterity; from future ages expect your reward, that
men may say of you, "that man was full of honest freedom, never
flattering or servile, but in all things the friend of truth." This
commendation, the wise man will prefer to all the vain hopes of this
life, which are but of short duration.

Recollect the story of the Cnidian architect, when he built the
tower in Pharos, where the fire is kindled to prevent mariners from
running on the dangerous rocks of Paraetonia, that most noble and
most beautiful of all works; he carved his own name on a part of the
rock on the inside, then covered it over with mortar, and inscribed
on it the name of the reigning sovereign: well knowing that, as it
afterwards happened, in a short space of time these letters would
drop off with the mortar, and discover under it this inscription:
"Sostratus the Cnidian, son of Dexiphanes, to those gods who